xref: /dflybsd-src/lib/libm/src/amd64/isnormall.c (revision 404c8a2625a7db4cdcd35b46cbfb439fd42316de)

/*	$OpenBSD: isnormall.c,v 1.2 2008/12/09 19:52:33 martynas Exp $	*/
/*
 * Copyright (c) 2008 Martynas Venckus <martynas@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>
#include <machine/ieee.h>
#include <math.h>

#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wmissing-prototypes"

__sym_compat(__isnormall, past___isnormall, DF306.0);
int
past___isnormall(long double e)
{
	struct ieee_ext *p = (struct ieee_ext *)&e;

	return (p->ext_exp != 0 && p->ext_exp != EXT_EXP_INFNAN);
}

#pragma GCC diagnostic pop